// 
// Extensions.cs
//  
// Author:
//       Joshua Simmons <simmons.44@gmail.com>
// 
// Copyright (c) 2009 Joshua Simmons
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;

namespace LuaSharp
{
	public static class Extensions
	{
	    /// <summary>
	    /// Get the array slice between the two indexes.
	    /// Inclusive for start index, exclusive for end index.
	    /// Stolen - literally: http://dotnetperls.com/array-slice
	    /// </summary>
	    public static T[] Slice<T>(this T[] source, int start, int end)
	    {
	        // Handles negative ends
	        if (end < 0)
	        {
	            end = source.Length - start - end - 1;
	        }
	        int len = end - start;
	
	        // Return new array
	        T[] res = new T[len];
	        for (int i = 0; i < len; i++)
	        {
	            res[i] = source[i + start];
	        }
	        return res;
	    }
	}
}
